3. Automatic configuration and firmware version check: parameter obtaining methods
Method 1: Using DHCP Option 43 or Options 66 and 67 when DHCP is enabled in network settings or for one
of VLANs.
Gateway default settings as follow:
tau72_<MAC>.dat-configuration file name. When such name is received, gateway
substitutes <MAC> with its own MAC address.
Example: Transferred name of a configuration file is tau72_<MAC>.dat. When this name is
received, the gateway generates availability request for tau72_ A8F94B887D27.dat file on
TFTP server.
Configuration file is downloaded to PC via WEB interface in tau72_cfg.tar.gz format; to use it in
autoconfiguration procedure, rename it to tau72_<MAC>.dat.
To edit the file on a PC, unarchive the file, modify its data and create a new archive in the same
format taking into account the path to file /etc/config; next, rename it to tau72_<MAC>.dat.
If autoupdate server requires authorization, configure the following parameters: Autoupdate auth, Username,
Password.
If the gateway receives Options 43, 66, and 67 from DHCP server simultaneously, Option 43 will have a priority
in usage. Factory settings for automatic download of firmware and configuration files listed above will not work in
this case.
Description of syntax for Option 43, 66, 67 and firmware and configuration version file: tau.versions
Option 43 syntax:
<suboption number><suboption length><suboption value>,
where:
– suboption number and length are passed in a numeric (Hex) format;
– suboption value is passed as ASCII code.
Suboptions necessary for autoupdate procedure:
– 5–autoupdate server address;
Address should be received in the following format: <proto>://<address>[:<port>],
where
<proto>–protocol (ftp, tftp, http, https),
<address>–autoupdate server IP address or domain name,
<port>–autoupdate server port (optional parameter);
– 6–autoupdate configuration file name;
– 7—autoupdate firmware file name;
Example of the option record:
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